'Petronel' definitions:

Definition of 'Petronel'

From: GCIDE

Petronel \Pet`ro*nel\, n. [OF. petrinal, fr. peitrine, petrine, the breast, F. poitrine; so called because it was placed against the breast in order to fire. See Poitrel.] A sort of hand cannon, or portable firearm, used in France in the 15th century. [1913 Webster]